 sinoatrial_node |
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| 1. | [ noun ] (anatomy,zoology) a specialized bit of heart tissue that controls the heartbeat | |
| Synonyms: | cardiac_pacemaker SA_node pacemaker | |
| Related terms: | cardiac_muscle | |
| sinoatrial_node |
||
| 1. | [ noun ] (anatomy,zoology) a specialized bit of heart tissue that controls the heartbeat | |
| Synonyms: | cardiac_pacemaker SA_node pacemaker | |
| Related terms: | cardiac_muscle | |
